AWOKE , Michael U.; OKORJI , Eugene C. 3 - The Determination and Analysis of Constraints in Resource Use Efficiency in Multiple Cropping Systems by Small-Holder Farmers in Ebonyi State, Nigeria: DOI: 10.4314/ad.v29i3.22199. Africa Development, [S. l.], v. 29, n. 3, 2004. DOI: 10.4314/ad.v29i3.22199. Disponível em: https://www.journals.codesria.org/index.php/ad/article/view/2263. Acesso em: 6 aug. 2025.